Abstract: A continuous process for preparing propylene oxide proceeds by (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing S1 into streams S2 and S3; (d) subjects S3 to vapor-liquid fractionation in a first fractionation unit, obtaining vapor fraction stream S4a being depleted, relative to S3, of at least one of B and obtaining liquid bottoms stream S4b, and subjecting at least part of vapor fraction stream S4a to vapor-liquid fractionation in a second fractionation unit, obtaining vapor fraction stream S4c and liquid bottoms stream S4 being depleted, relative to S4a, of at least one of B; (e) recycling at least a portion of S4 to (a).

Abstract: The present invention relates to a process for the production of polyurethanes where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) sulfur-carbon compounds selected from the group consisting of sulfinic acid derivatives of the general formula (I) and/or sulfonic acid derivatives according to the general formula (II) where R1 and R2 can be identical or different and are respectively any desired substituted or unsubstituted hydrocarbon moiety, with the proviso that the carbon atom bonded to the sulfur atom is an aliphatic carbon atom, and optionally (e) blowing agent, (f) chain extender and/or crosslinking agent, and (g) auxiliaries and/or additives are mixed to give a reaction mixture, and the reaction mixture is allowed to complete a reaction to give the polyurethane. The present invention further relates to polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.

Abstract: The present application relates to a process for producing a composition comprising at least one acrylamide polymer P and at least one stabilizer St for preventing polymer degradation by molecular oxygen, wherein the acrylamide polymer P is obtained in the form of a polymer gel, and the acrylamide polymer gel having a water content of at least 30% by weight, based on the overall polymer gel, is treated with an aqueous solution SS comprising 0.1% to 50% by weight, based on the overall aqueous solution SS, of the at least one stabilizer St.

Abstract: This invention relates to end-functionalized living polymers or copolymers having a structure represented by the general formula 1 or 2, wherein R1 is a hydrogen atom, a methyl group, or a radically non-polymerizable organic group containing 1 to 20 carbon atoms.

Abstract: The invention relates to chimeric endonucleases, comprising a endonuclease and a heterologous DNA binding domain comprising one or more Zn2C6 zinc fingers, as well as methods of targeted integration, targeted deletion or targeted mutation of polynucleotides using chimeric endonucleases.

Abstract: Articles and methods including additives in electrochemical cells, are generally provided. As described herein, such electrochemical cells may comprise an anode, a cathode, an electrolyte, and optionally a separator. In some embodiments, at least one of the anode, the cathode, the electrolyte, and/or the optional separator may comprise an additive and/or additive precursor. For instance, in some cases, the electrochemical cell comprises an electrolyte and an additive and/or additive precursor that is soluble with and/or is present in the electrolyte. In some embodiments, the additive precursor comprises a disulfide bond. In certain embodiments, the additive is a carbon disulfide salt. In some cases, the electrolyte may comprise a nitrate.

Abstract: Proposed is a cylindrical reactor (1) having a vertical longitudinal axis for continuous hydroformylation of a C6-C20-olefin or a mixture of C6-C20-olefins with synthesis gas in the presence of a homogeneously dissolved metal carbonyl complex catalyst, having a multiplicity of Field tubes (2) which are oriented parallel to the longitudinal axis of the reactor (1) and welded into a tube plate at the upper end of the reactor (1), having a circulation tube (3) open at both ends which envelops the Field tubes (2) and at its lower end projects beyond said tubes, having a jet nozzle (4) at the bottom of the reactor (1) for injecting the reactant mixture comprising the C6-C20-olefin, the synthesis gas and the metal carbonyl complex catalyst, wherein the Field tubes (2) are configured in terms of their number and their dimensions such that the total heat exchanger area of said tubes per unit internal volume of the reactor is in the range from 1 m2/m3 to 11 m2/m3 and the cross sectional area occupied by the Field t

Abstract: The present invention relates to a process for the preparation of a zeolitic material having a FAU-type framework M structure comprising YO2 and X2O3, said process comprising: (a) preparing a mixture comprising one or more sources of YO2, one or more sources of X2O3, and one or more structure directing agents (SDA); (b) crystallizing the zeolitic material from the mixture obtained in (a); wherein Y is a tetravalent element and X is a trivalent element, and wherein the one or more structure directing agents comprise one or more isomers of diaminomethylcyclohexane as well as to a zeolitic material having an FAU-type framework structure obtainable and/or obtained according to the inventive process, to processes for preparing a coated substrate and a shaped body, respectively, from the zeolitic material having a FAU-type framework structure obtainable and/or obtained according to the inventive process, as well as to a method for selectively reducing nitrogen oxides NOx employing said zeolitic material.

Abstract: The present invention relates to a process for hydrogenating nitriles with hydrogen in the presence of a ZrO2-supported ruthenium catalyst.

Abstract: The present invention describes novel macromonomers containing polyisobutene groups and homo- or copolymers thereof.

Abstract: Described are microorganisms which are able to inhibit the formation of foot malodor by skin microorganisms. Also described are compositions comprising such microorganisms as well as the use of such microorganisms in cosmetic, prophylactic or therapeutic applications.

Abstract: The present invention relates to a polymerizable composition comprising at least one ethylenically unsaturated, polymerizable compound and at least one oxime sulfonate compound of the formula I QAaBbCc??(I) where a is 0, 1, 2, 3, 4 or 6, b is 0, 1, 2, 3, 4 or 6, and c is 0, 1, 2, 3, 4 or 6, where the sum of a+b+c is 1, 2, 3, 4 or 6 where A is a group B is a group C is a group where # denotes the point of attachment to Q; X is S or NR14 and Q, R1, R2, R3 and R14 are as defined in claim 1 and in the description. The present invention also relates to the use of the this composition, to novel oxime sulfonates and the use of the oxime sulfonates as thermal curing promoter.

Abstract: The present invention relates to liquid aromatic thioethers, a process for the preparation of the liquid aromatic thioethers, an article comprising the liquid aromatic thioethers as well as the use of the liquid aromatic thioethers as a component or substantial part of an optical liquid, window material, color filter, coating, varnish, lacquer, dye or pigment formulation, immersion liquid, calibration liquid or matching liquid, ingredient or additive in a plastic material or ingredient or additive in a polymer.

Abstract: Catalyzed particulate filters comprise three-way conversion (TWC) catalytic material, which comprises rhodium as the only platinum group metal, that permeates walls of a particulate filter. Such catalyzed particulate filters may be located downstream of close-coupled three-way conversion (TWC) composites in an emission treatment system downstream of a gasoline direct injection engine for treatment of an exhaust stream comprising hydrocarbons, carbon monoxide, nitrogen oxides, and particulates.

Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.

Abstract: The invention relates to a process for preparing butadiene from n-butenes, comprising the steps of: A) providing an input gas stream a comprising n-butenes, B) feeding the input gas stream a comprising n-butenes and a gas containing at least oxygen into at least one oxidative dehydrogenation zone and oxidatively dehydrogenating n-butenes to butadiene, giving a product gas stream b comprising butadiene, unconverted n-butenes, water vapor, oxygen, low-boiling hydrocarbons and high-boiling secondary components, with or without carbon oxides and with or without inert gases; Ca) cooling the product gas stream b by contacting with a cooling medium in at least one cooling zone, the cooling medium being at least partly recycled and having an aqueous phase and an organic phase, Cb) compressing the cooled product gas stream b which may have been depleted of high-boiling secondary components in at least one compression stage, giving at least one aqueous condensate stream c1 and one gas stream c2 comprising butadiene, n

Abstract: A method forms a frame of a seat back for a vehicle. The frame includes a first polymeric material and a reinforcing composite layer that includes a second polymeric material and a plurality of fibers impregnated in the second polymeric material. The method includes the steps of supporting the reinforcing composite layer on moveable members in a mold and extending the moveable members relative to the mold to an extended position in the mold. The method also includes the steps of introducing the first polymeric material in a molten state into the mold and into contact with the reinforcing composite layer and displacing the reinforcing composite layer away from the moveable members by introducing the first polymeric material in the molten state between the moveable members and the reinforcing composite layer while the moveable members are in the extended position.

Abstract: The use of gelatin-based copolymers containing at least one grafted side chain formed from ethylenically unsaturated compounds as an anti-accretion additive is proposed for water-based drilling fluids in the development, exploitation and completion of underground mineral oil and natural gas deposits and in deep wells. These copolymers are water-soluble and have good biodegradability.

Abstract: The invention relates to shaped catalyst bodies for the oxidation of SO2 to SO3, which comprise vanadium, at least one alkali metal and sulfate on a silicon dioxide support material, wherein the shaped body has the shape of a cylinder having 3 or 4 hollow-cylindrical convexities, obtainable by extrusion of a catalyst precursor composition comprising vanadium, at least one alkali metal and sulfate on a silicon dioxide support material through the opening of an extrusion tool, wherein the opening of the extrusion tool has a cross section formed by 3 or 4 partly overlapping rings whose midpoints lie essentially on a circular line having a diameter of y, wherein the rings are bounded by an outer line lying on a circle having an external diameter x1 and an inner line lying on a circle having an internal diameter x2.

Abstract: This disclosure provides a plywood article that is pre-cured or cured. The plywood includes a first wood veneer, a second wood veneer disposed opposite the first wood veneer and an adhesive composition disposed between the first wood veneer and the second wood veneer. The adhesive composition is either cured or not cured. Prior to cure, the adhesive composition consists essentially of an isocyanate component and Kaolin. After cure, the cured adhesive composition consists essentially of a self-polymerization product of the isocyanate component and the Kaolin. The Kaolin is present in an amount of from greater than 10 to 50 weight percent based on a total weight of the adhesive composition. Moreover, each of the first and second wood veneers independently has a moisture content of from 0 to 45 weight percent.